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Finding the Third Proportional to 69,803,313 and 153,453,618

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Solution

The third proportional to 69,803,313 and 153,453,618 is: 337,348,069.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,803,313 : 153,453,618 = 153,453,618 : x
  2. Step 2: Convert to fraction form
    69,803,313/153,453,618 = 153,453,618/x
  3. Step 3: Cross multiply
    69,803,313x = 153,453,618 × 153,453,618
  4. Step 4: Simplify right side
    69,803,313x = 23,548,012,877,289,924
  5. Step 5: Solve for x
    x = 23,548,012,877,289,924/69,803,313
  6. Step 6: Final answer
    x = 337,348,069.39

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Why These Related Problems?

These problems maintain the same ratio (2.20) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.